mysql> RESET SLAVE;
Query OK,  0  rows affected ( 0 . 00  sec)

[root@rca log]# service mysqld restart
Stopping MySQL:                                            [  OK  ]
Starting MySQL:                                            [  OK  ]
[root@rca log]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is  2 
Server version:  5 . 0 . 45 -log Source distribution

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> CHANGE MASTER TO MASTER_HOST='192.168.9.3',  MASTER_USER='replication',  MASTER_PASSWORD='XXX',  MASTER_LOG_FILE='mysql-bin.000060', MASTER_LOG_POS= 421725441 ;
ERROR  29  (HY000): File '/var/lib/mysql/mysql-relay-bin.000106' not found (Errcode:  2 )

mysql> CHANGE MASTER TO MASTER_HOST='192.168.9.3',  MASTER_USER='replication',  MASTER_PASSWORD='replication',  MASTER_LOG_FILE='mysql-bin.000060', MASTER_LOG_POS= 421725441 ;
ERROR  1201  (HY000): Could not initialize master info structure; more error messages can be found in the MySQL error log

mysql> stop slave;
Query OK,  0  rows affected,  1  warning ( 0 . 00  sec)

mysql> reset slave;
Query OK,  0  rows affected ( 0 . 00  sec)

mysql> CHANGE MASTER TO MASTER_HOST='192.168.9.3',  MASTER_USER='replication',  MASTER_PASSWORD='XXX',  MASTER_LOG_FILE='mysql-bin.000060', MASTER_LOG_POS= 421725441 ;
ERROR  29  (HY000): File '/var/lib/mysql/mysql-relay-bin.000106' not found (Errcode:  2 )
mysql> start slave;
ERROR  1201  (HY000): Could not initialize master info structure; more error messages can be found in the MySQL error log